Home / 2,619,616.40-3,930,616.92-1,271,050.64

Finding the Fourth Proportional to 2,619,616.40, 3,930,616.92 and 1,271,050.64

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Solution

The fourth proportional to 2,619,616.40, 3,930,616.92 and 1,271,050.64 is: 1,907,154.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,616.40 : 3,930,616.92 = 1,271,050.64 : x
  2. Step 2: Convert to fraction form
    2,619,616.40/3,930,616.92 = 1,271,050.64/x
  3. Step 3: Cross multiply
    2,619,616.40x = 3,930,616.92 × 1,271,050.64
  4. Step 4: Simplify right side
    2,619,616.40x = 4,996,013,151,760.83
  5. Step 5: Solve for x
    x = 4,996,013,151,760.83/2,619,616.40
  6. Step 6: Final answer
    x = 1,907,154.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.